13F

Stock

Highview Merger Corp

Ticker not mapped · held by 56 managers

Reported value

$201.4M

Holders

56

+9 new · −3 exited

Holders’ est. mark

−$70.8K

Price effect on 46 books still in the name

Largest holder

$18.1M

ADAGE CAPITAL PARTNERS GP, L.L.C.

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
ADAGE CAPITAL PARTNERS GP, L.L.C.1.8M$18.1M$90KAdded$90K
Alberta Investment Management Corp1.25M$12.6M$62.5KAdded$62.5K
AQR Arbitrage LLC1.22M$12.2M$60.8KCut−$469.6K
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND1M$10.1M$50KAdded$50K
Magnetar Financial LLC929.3K$9.34M$46.5KAdded$46.5K
Hudson Bay Capital Management LP901.9K$9.06M$45.1KAdded$45.1K
MILLENNIUM MANAGEMENT LLC852K$8.56M$40KAdded$562.6K
Linden Advisors LP750K$7.54M$37.5KAdded$37.5K
TWO SIGMA INVESTMENTS, LP632.9K$6.36M$31.6KAdded$31.6K
Radcliffe Capital Management, L.P.542.6K$5.45M$26.6KAdded$131.2K
Schonfeld Strategic Advisors LLC540K$5.43M$22.5KAdded$927K
Verition Fund Management LLC536.6K$5.39M$26.8KCut−$820.2K
TORONTO DOMINION BANK500.5K$5.03M$8.77KAdded$3.28M
Shaolin Capital Management LLC500K$5.03M$25KCut−$975K
Sculptor Capital LP500K$5.03M$25KAdded$25K
TENOR CAPITAL MANAGEMENT Co., L.P.500K$5.03M$25KAdded$25K
BNP PARIBAS FINANCIAL MARKETS453K$4.55M$19.9KAdded$568K
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS400K$4.02M$20KAdded$20K
MOORE CAPITAL MANAGEMENT, LP400K$4.02M$20KAdded$20K
Polar Asset Management Partners Inc.400K$4.02M$20KAdded$20K
Lineage Point Capital LP399.9K$4.02M$20KAdded$19K
Periscope Capital Inc.350K$3.52M$17.5KCut−$410.5K
BERKLEY W R CORP333.9K$3.36M$16.7KAdded$16.7K
Irenic Capital Management LP450K$3.05M−$965KAdded$52.5K
HBK INVESTMENTS L P250K$2.51M$12.5KAdded$12.5K
First Trust Capital Management L.P.250K$2.51M$12.5KAdded$12.5K
O'Connor Alternative Investments LLC250K$2.51MHeld
Bulldog Investors, LLP220K$2.21M$8.03KAdded$604K
RIVERNORTH CAPITAL MANAGEMENT, LLC205.7K$2.07MNew
PICTON MAHONEY ASSET MANAGEMENT200K$2.01M$10KAdded$10K
Centiva Capital, LP200K$2.01M$10KAdded$10K
Karpus Management, Inc.197.2K$1.98MNew
Clear Street Group Inc.190.7K$1.92M$9.54KCut−$575
MIZUHO SECURITIES USA LLC188.7K$1.89M$4.53KAdded$383.1K
ARISTEIA CAPITAL, L.L.C.187.4K$1.88M$9.37KAdded$9.37K
Westchester Capital Management, LLC170.3K$1.71M$8.51KAdded$8.52K
CSS LLC/IL167.4K$1.68MNew
SONA ASSET MANAGEMENT (US) LLC156.1K$1.57MNew
Governors Lane LP153.9K$1.55M$7.7KAdded$7.7K
TIG Advisors, LLC150K$1.51M$7.5KAdded$7.5K
Context Capital Management, LLC150K$1.51M$7.5KAdded$7.5K
GRITSTONE ASSET MANAGEMENT LLC127K$1.28M$6.35KAdded$6.35K
JPMORGAN CHASE & CO111.9K$1.13M$5.6KAdded$6.02K
DLD Asset Management, LP100.3K$1.01M$5.02KAdded$5.01K
WHITEBOX ADVISORS LLC100K$1M$5KAdded$5K
K2 PRINCIPAL FUND, L.P.100K$1MNew
METEORA CAPITAL, LLC100K$1M$5KAdded$5K
HEIGHTS CAPITAL MANAGEMENT, INC50K$502.5KNew
ABC ARBITRAGE SA35K$351.8K$1.75KAdded$1.75K
PenderFund Capital Management Ltd.18K$180.9KNew
Parallax Volatility Advisers, L.P.16.9K$170.7KNew
UBS Group AG1K$10.1KNew
Glazer Capital, LLC978.2K$9.83K$45Added$831
MORGAN STANLEY69$693$3Added$63
Mint Tower Capital Management B.V.25K$251$1Added$1
Virtu Financial LLC16.2K$163$1Cut−$89

Who left

Positions as of Q1 2026. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.